waecE-LEARNING
Technical Drawing Paper 2, May/June. 2014  
Questions: 1 2 3 4 5 6 7 8 9 10 Section B 1 2 Main
General Comments
Strength
Weakness/Remedies
Question 1 SECTION A (PART 1)

      


Observation

Fig. 1 is isometric projection of a guide bracket. In 1st angle orthographic projection, draw the full size of the:

  1. front elevation in the direction of arrow K;
  2. plan;
  3. left end elevation;
  4. sectional elevation on PP.

Candidates were expected to do the following:
(a)        FRONT ELEVATION
            (i)         draw four (4) vertical lines and four (4) cetnre lines;
            (ii)        draw nine horizontal lines (3 hidden);
            (iii)       draw cutting plane P – P ;
            (iv)       draw two circles at correct positions.

(b)        PLAN
            (i)         draw two vertical lines;
            (ii)        draw four horizontal lines;
            (iii)       draw eight hidden lines (6 vertical, 2 horizontal);
            (iv)       draw two centre lines.
(c)        LEFT END VIEW
            (i)         draw six vertical lines;
            (ii)        draw six horizontal lines;
            (iii)       draw one slant line and one centre line;
            (iv)       draw three horizontal hidden lines.
(d)       SECTIONAL ELEVATION P - P
            (i)         draw six vertical lines;
            (ii)        draw nine horizontal lines;
            (iii)       draw one slant line and one centre line;
            (iv)       hatch the sectioned part;
            (v)        draw two unsectioned rectangles.
(e)        (i)         use correct scale 1:1;
            (ii)        project in the first (1st ) angle;
            (iii)       dimension (any four) .

 

The solution is shown below

 

 

 

 

 
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